387798152 has 48 divisors (see below), whose sum is σ = 895605660. Its totient is φ = 156420096.

The previous prime is 387798149. The next prime is 387798197. The reversal of 387798152 is 251897783.

It can be written as a sum of positive squares in 2 ways, for example, as 379236676 + 8561476 = 19474^2 + 2926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 387798152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22433 + ... + 35760.

Almost surely, 2^387798152 is an apocalyptic number.

It is an amenable number.

387798152 is an abundant number, since it is smaller than the sum of its proper divisors (507807508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387798152 is a wasteful number, since it uses less digits than its factorization.

387798152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58230 (or 58219 counting only the distinct ones).

The product of its digits is 846720, while the sum is 50.

The square root of 387798152 is about 19692.5912972366. The cubic root of 387798152 is about 729.2368029247.

The spelling of 387798152 in words is "three hundred eighty-seven million, seven hundred ninety-eight thousand, one hundred fifty-two".